Sphygmomanometer



FIG. 1 is a perspective view of a sphygmomanometer showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side elevational view thereof, the left side being a mirror image thereof.

The alternating dot and dash lines immediately adjacent the shaded areas represent the bounds of the claim, and the evenly spaced broken lines are included for the purpose of illustrating portions of the sphygmomanometer that form no part of the claimed design. None of the broken lines form a part of the claimed design. 

The ornamental design for a sphygmomanometer, as shown and described. 